fixup! fixup! fixup! routerkeys: Add cmdline option for learning signing key expiration.

Print the expiration to stdout.

fixup! fixup! fixup! routerkeys: Add cmdline option for learning signing key expiration.
6ba245f9 · Isis Lovecruft · d01793e2 · 6ba245f9
Unverified Commit 6ba245f9 authored Jul 27, 2017 by Isis Lovecruft
--- a/src/or/routerkeys.c
+++ b/src/or/routerkeys.c
@@ -1136,6 +1136,20 @@ init_mock_ed_keys(const crypto_pk_t *rsa_identity_key)
 #undef MAKECERT
 #endif

+/**
+ * Print the ISO8601-formated <b>expiration</b> for a certificate with
+ * some <b>description</b> to stdout.
+ *
+ * For example, for a signing certificate, this might print out:
+ * signing-cert-expiry: 2017-07-25 08:30:15 UTC
+ */
+static void
+print_cert_expiration(const char *expiration,
+                      const char *description)
+{
+  fprintf(stdout, "%s-cert-expiry: %s\n", description, expiration);
+}
+
 /**
 * Log when a certificate, <b>cert</b>, with some <b>description</b> and
 * stored in a file named <b>fname</b>, is going to expire.
@@ -1153,6 +1167,7 @@ log_ed_cert_expiration(const tor_cert_t *cert,
    format_local_iso_time(expiration, cert->valid_until);
    log_notice(LD_OR, "The %s certificate stored in %s is valid until %s.",
               description, fname, expiration);
+    print_cert_expiration(expiration, description);
  }
 }